IV.1. Re-read this paragraph from the letter and answer the questions surre However, some of the most impressive collections were those belonging to children. My own niece had entered her very extensive collection of cuddly toys only two days before the exhibition was opened. A boy had contributed his collection of rocks and fossils. He had been collecting them for years as Geology had always fascinated him. Now, though he was still at school, his collection had become a notable one and had won the experts' acclaim. Why Past Perfect here? Did he still collect them (at the time of the exhibition)? When? Before or after the exhibition?​